1 files changed, 91 insertions, 1 deletions
diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c
index f341b4f367c..80c3cb3479f 100644
--- a/arch/arm/mach-k3/am642_init.c
+++ b/arch/arm/mach-k3/am642_init.c
@@ -285,7 +285,97 @@ u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
 	}
 }
 
+static u32 __get_backup_bootmedia(u32 main_devstat)
+{
+	u32 bkup_bootmode =
+	    (main_devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK) >>
+	    MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT;
+	u32 bkup_bootmode_cfg =
+	    (main_devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK) >>
+	    MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT;
+
+	switch (bkup_bootmode) {
+	case BACKUP_BOOT_DEVICE_UART:
+		return BOOT_DEVICE_UART;
+
+	case BACKUP_BOOT_DEVICE_DFU:
+		if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK)
+			return BOOT_DEVICE_USB;
+		return BOOT_DEVICE_DFU;
+
+
+	case BACKUP_BOOT_DEVICE_ETHERNET:
+		return BOOT_DEVICE_ETHERNET;
+
+	case BACKUP_BOOT_DEVICE_MMC:
+		if (bkup_bootmode_cfg)
+			return BOOT_DEVICE_MMC2;
+		return BOOT_DEVICE_MMC1;
+
+	case BACKUP_BOOT_DEVICE_SPI:
+		return BOOT_DEVICE_SPI;
+
+	case BACKUP_BOOT_DEVICE_I2C:
+		return BOOT_DEVICE_I2C;
+	};
+
+	return BOOT_DEVICE_RAM;
+}
+
+static u32 __get_primary_bootmedia(u32 main_devstat)
+{
+	u32 bootmode = (main_devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
+	    MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
+	u32 bootmode_cfg =
+	    (main_devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >>
+	    MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT;
+
+	switch (bootmode) {
+	case BOOT_DEVICE_OSPI:
+		fallthrough;
+	case BOOT_DEVICE_QSPI:
+		fallthrough;
+	case BOOT_DEVICE_XSPI:
+		fallthrough;
+	case BOOT_DEVICE_SPI:
+		return BOOT_DEVICE_SPI;
+
+	case BOOT_DEVICE_ETHERNET_RGMII:
+		fallthrough;
+	case BOOT_DEVICE_ETHERNET_RMII:
+		return BOOT_DEVICE_ETHERNET;
+
+	case BOOT_DEVICE_EMMC:
+		return BOOT_DEVICE_MMC1;
+
+	case BOOT_DEVICE_NAND:
+		return BOOT_DEVICE_NAND;
+
+	case BOOT_DEVICE_MMC:
+		if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK) >>
+		     MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT)
+			return BOOT_DEVICE_MMC2;
+		return BOOT_DEVICE_MMC1;
+
+	case BOOT_DEVICE_DFU:
+		if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >>
+		    MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT)
+			return BOOT_DEVICE_USB;
+		return BOOT_DEVICE_DFU;
+
+	case BOOT_DEVICE_NOBOOT:
+		return BOOT_DEVICE_RAM;
+	}
+
+	return bootmode;
+}
+
 u32 spl_boot_device(void)
 {
-	return get_boot_device();
+	u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
+
+	if (bootindex == K3_PRIMARY_BOOTMODE)
+		return __get_primary_bootmedia(devstat);
+	else
+		return __get_backup_bootmedia(devstat);
 }